---
id: CVE-2026-105397
title: >-
  LearnPress plugin for WordPress through 4.4.9.1 contains a stored cross-site
  scripting vulnerability that allows authenticated instructors to inject
  scripts via quiz question hint and explanation fields
summary: >-
  LearnPress plugin for WordPress through 4.4.9.1 contains a stored cross-site
  scripting vulnerability that allows authenticated instructors to inject
  scripts via quiz question hint and explanation fields. Attackers with the
  Instructor rol…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: ThimPress
product: LearnPress
affected:
  - LearnPress <= 4.4.9.1
published: '2026-10-05'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T16:17:12.650'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-105397'
references:
  - url: >-
      https://github.com/LearnPress/learnpress/commit/9db279c0d9fd3993430bb9af158658282e9bcee1
    label: disclosure@vulncheck.com
  - url: >-
      https://plugins.svn.wordpress.org/learnpress/tags/4.4.9.1/assets/src/apps/js/frontend/quiz/components/questions/question.js
    label: disclosure@vulncheck.com
  - url: >-
      https://plugins.svn.wordpress.org/learnpress/tags/4.4.9.1/inc/Ajax/EditQuestionAjax.php
    label: disclosure@vulncheck.com
  - url: 'https://wordpress.org/plugins/learnpress/'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/learnpress-wordpress-plugin-through-4.4.9.1-stored-xss-via-quiz-question-hint-and-explanation
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-05T16:25:58.411Z'
---

## Overview

LearnPress plugin for WordPress through 4.4.9.1 contains a stored cross-site scripting vulnerability that allows authenticated instructors to inject scripts via quiz question hint and explanation fields. Attackers with the Instructor role can submit unsanitized payloads through the update_question AJAX handler that execute in the session of every student taking the quiz.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.